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Journal Articles Measurement Science and Technology Year : 2011

Self-centring technique for fibre optic microlens mounting using a concave cone-etched fibre

Abstract

Several techniques of centring a microlens onto the fibre optic end face are studied. In most of them, microsphere lenses are centred with the aid of high-accuracy micro-positioners. This process is complicated with regard to the difficulty in manipulating microsphere lenses. In this paper, a simple and accurate self-centring method for mounting microsphere lenses using a concave cone etched fibre (Demagh et al 2006 Meas. Sci. Technol. 17 119-22) is described. This technique allows the centring of a wide variety of microlens radii, typically 7 mu m to over 24 mu m. The proposed process, however, is not affected by any spatial positioning control of microspheres. In over 85% of the attempts, the microsphere lenses were centred on the fibre axis to within 0.12 mu m.
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hal-00662994 , version 1 (06-05-2021)

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N.E. Demagh, A. Guessoum, R. Zeggari, T. Gharbi. Self-centring technique for fibre optic microlens mounting using a concave cone-etched fibre. Measurement Science and Technology, 2011, 22 (11), pp.115302. ⟨10.1088/0957-0233/22/11/115302⟩. ⟨hal-00662994⟩
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